Ecosystems Structure & Function

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external image Estuary-mouth.jpg
*image from Wikimedia

Notes

IB Assessment Statements

Rutherford Chapter 3

2.1.1 Distinguish between biotic and abiotic (physical) components of an ecosystem

2.1.2 Define the term trophic level

2.1.3 Identify and explain trophic levels in food chains and food webs selected from the local environment

2.1.4 Explain the principles of pyramids of numbers, pyramids of biomass, and pyramids of productivity, and construct such pyramids from given data

2.1.5 Discuss how the pyramids structures affect the functioning of an ecosystem

2.1.6 Define the terms species, population, habitat, niche, community, and ecosystem with reference to local examples

2.1.7 Describe and explain population interactions using examples of named species

Resources

Food Chains, Webs, & Trophic Levels
Build a Food Web
Online Ecology Notes
Build a Food Chain
BrainPop Food Chains
Build a Food Web
USGS Food Chains
Ecosystem Model

Ecological Pyramids
Types of Pyramids
Ecological Pyramid Quizlet
Biomagnification Animation
Bioaccumulation Animation
PCBs Trade Secrets

Assignments

Ecological Pyramids Problems.pdf



Pulled From The Past Ecology.docx